46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
const EEPFMT = (() => {
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const symbols = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y', 'R', 'Q'];
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const format = (bytes, decimal) => {
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if(bytes === 0)
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return 'Zero Bytes';
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const negative = bytes < 0;
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const power = decimal ? 1000 : 1024;
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const exp = Math.floor(Math.log(bytes) / Math.log(power));
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bytes = Math.abs(bytes);
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const number = bytes / Math.pow(power, exp);
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const symbol = symbols[exp];
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let string = '';
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if(negative)
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string += '-';
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const fractionDigits = bytes < power ? 0 : (number < 10 ? 2 : 1);
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string += number.toLocaleString(undefined, {
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maximumFractionDigits: fractionDigits,
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minimumFractionDigits: fractionDigits,
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});
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string += ` ${symbol}`;
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if(symbol === '') {
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string += 'Byte';
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if(number > 1)
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string += 's';
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} else {
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if(!decimal)
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string += 'i';
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string += 'B';
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}
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return string;
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};
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return {
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format: format,
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};
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})();
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